dridex | 2670853bd2a827b37ec6180fa0034e48608b8567b404d4edaf9e88e7092d541f

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 14:57

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General

Target

bc35b04fddff950d9bc78f6f393d404d_JaffaCakes118.dll
Size

923KB
MD5

bc35b04fddff950d9bc78f6f393d404d
SHA1

a6f1480767cab001c88f5c7bbbd56b05651df0fb
SHA256

2670853bd2a827b37ec6180fa0034e48608b8567b404d4edaf9e88e7092d541f
SHA512

8f075c0afca86df7ea53281d7ec62b360942175dbaaff20b137295457c2d47fbb96fd2a30ed22034cfe8457f220b86d4885d03c651065e83deb385d66d6995ec
SSDEEP

24576:YZGggQDmHQ+dRF2Rtb8gFhPBeopYqyRjTF:wgLdRAzb8gPoi5q

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.132:443

212.227.53.240:5037

192.241.174.45:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow	pid	Process
28	3448	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1648 wrote to memory of 3448	1648	rundll32.exe	84
PID 1648 wrote to memory of 3448	1648	rundll32.exe	84
PID 1648 wrote to memory of 3448	1648	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc35b04fddff950d9bc78f6f393d404d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc35b04fddff950d9bc78f6f393d404d_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3448-0-0x0000000075067000-0x000000007506B000-memory.dmp

Filesize
16KB

Download
memory/3448-3-0x0000000074F80000-0x0000000075074000-memory.dmp

Filesize
976KB

Download
memory/3448-1-0x0000000074F80000-0x0000000075074000-memory.dmp

Filesize
976KB

Download
memory/3448-4-0x0000000074F80000-0x0000000075074000-memory.dmp

Filesize
976KB

Download
memory/3448-5-0x0000000075067000-0x000000007506B000-memory.dmp

Filesize
16KB

Download
memory/3448-8-0x0000000074F80000-0x0000000075074000-memory.dmp

Filesize
976KB

Download